A、Apples are better than oranges.
B、Apples do have some vitamin C to increase the immune system.
C、Apples can help cure certain diseases.
D、Apples can provide people with sufficient daily intake of energy.
答案是:B
解析：【答案】B
【考情点拨】事实细节题。
【应试指导】由第四段第二句话中的“they do contain some immune system-increasing vitamin C”可知，苹果中确
实含有能增强免疫系统的维生素 C,故选 B。
